Pollution levels and potential ecological risks of trace elements in relation to bacterial community in surface water of shallow lakes in northern China before and after ecological water replenishment
Ecological water replenishment is a crucial and effective measure to improve the water quality and ecological function of lakes. However, the effects of ecological water replenishment on the pollution characteristics and ecological risks of trace elements and bacterial communities in lake surface wa...
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| Veröffentlicht in: | Journal of contaminant hydrology 2024-03, Vol.262, p.104318-104318, Article 104318 |
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| container_title | Journal of contaminant hydrology |
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| creator | Zhang, Ling Bai, Junhong Zhai, Yujia Zhang, Kegang Wang, Yaqi Tang, Ruoxuan Xiao, Rong Jorquera, Milko A. |
| description | Ecological water replenishment is a crucial and effective measure to improve the water quality and ecological function of lakes. However, the effects of ecological water replenishment on the pollution characteristics and ecological risks of trace elements and bacterial communities in lake surface water are still kept unclear. We investigated the pollution levels and potential ecological risks for trace elements, as well as variation of the bacterial community in surface water in the BYD lake before and after ecological water replenishment. Our results revealed that higher levels and pollution indexes (Igeo) of trace metals (e.g., As, Cd, Co, Cu and Ni; p |
| doi_str_mv | 10.1016/j.jconhyd.2024.104318 |
| format | Article |
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However, the effects of ecological water replenishment on the pollution characteristics and ecological risks of trace elements and bacterial communities in lake surface water are still kept unclear. We investigated the pollution levels and potential ecological risks for trace elements, as well as variation of the bacterial community in surface water in the BYD lake before and after ecological water replenishment. Our results revealed that higher levels and pollution indexes (Igeo) of trace metals (e.g., As, Cd, Co, Cu and Ni; p < 0.05) after ecological water replenishment were observed than before ecological water replenishment and their total potential ecological risk (∑RI) were increased. In contrast, the network complexity of these trace elements, including nodes, edges, average diameter, modularity, clustering coefficient and average pathlength showed a decrease after ecological water replenishment than before. The diversity (community richness, community diversity and phylogenetic diversity decreased) and community structure of the bacterial community in the surface water (p < 0.05) were greatly changed after ecological water replenishment than before, with the increase in heavy metal-resistant phylum (e.g., Acidobacteriota). Moreover, the concentration of trace elements and ∑RI were significantly correlated with the alpha diversity of bacterial community, as well as dissolved organic carbon (DOC) and ORP, after ecological water replenishment. The findings indicate that it is very necessary to continuously monitor trace metal pollution levels and heavy metal-resistant phylum and identify their potential pollution sources for water environment control and lake ecosystem health.</description><identifier>ISSN: 0169-7722</identifier><identifier>EISSN: 1873-6009</identifier><identifier>DOI: 10.1016/j.jconhyd.2024.104318</identifier><identifier>PMID: 38354450</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Bacterial community ; Ecological risks ; Ecological water replenishment ; Pollution levels ; Shallow lake ; Trace elements</subject><ispartof>Journal of contaminant hydrology, 2024-03, Vol.262, p.104318-104318, Article 104318</ispartof><rights>2024 Elsevier B.V.</rights><rights>Copyright © 2024 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a388t-acc31a80428462db382d6d70dd959943668593bef869f27759fc47de88dd2fe13</citedby><cites>FETCH-LOGICAL-a388t-acc31a80428462db382d6d70dd959943668593bef869f27759fc47de88dd2fe13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jconhyd.2024.104318$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38354450$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Ling</creatorcontrib><creatorcontrib>Bai, Junhong</creatorcontrib><creatorcontrib>Zhai, Yujia</creatorcontrib><creatorcontrib>Zhang, Kegang</creatorcontrib><creatorcontrib>Wang, Yaqi</creatorcontrib><creatorcontrib>Tang, Ruoxuan</creatorcontrib><creatorcontrib>Xiao, Rong</creatorcontrib><creatorcontrib>Jorquera, Milko A.</creatorcontrib><title>Pollution levels and potential ecological risks of trace elements in relation to bacterial community in surface water of shallow lakes in northern China before and after ecological water replenishment</title><title>Journal of contaminant hydrology</title><addtitle>J Contam Hydrol</addtitle><description>Ecological water replenishment is a crucial and effective measure to improve the water quality and ecological function of lakes. However, the effects of ecological water replenishment on the pollution characteristics and ecological risks of trace elements and bacterial communities in lake surface water are still kept unclear. We investigated the pollution levels and potential ecological risks for trace elements, as well as variation of the bacterial community in surface water in the BYD lake before and after ecological water replenishment. Our results revealed that higher levels and pollution indexes (Igeo) of trace metals (e.g., As, Cd, Co, Cu and Ni; p < 0.05) after ecological water replenishment were observed than before ecological water replenishment and their total potential ecological risk (∑RI) were increased. In contrast, the network complexity of these trace elements, including nodes, edges, average diameter, modularity, clustering coefficient and average pathlength showed a decrease after ecological water replenishment than before. The diversity (community richness, community diversity and phylogenetic diversity decreased) and community structure of the bacterial community in the surface water (p < 0.05) were greatly changed after ecological water replenishment than before, with the increase in heavy metal-resistant phylum (e.g., Acidobacteriota). Moreover, the concentration of trace elements and ∑RI were significantly correlated with the alpha diversity of bacterial community, as well as dissolved organic carbon (DOC) and ORP, after ecological water replenishment. The findings indicate that it is very necessary to continuously monitor trace metal pollution levels and heavy metal-resistant phylum and identify their potential pollution sources for water environment control and lake ecosystem health.</description><subject>Bacterial community</subject><subject>Ecological risks</subject><subject>Ecological water replenishment</subject><subject>Pollution levels</subject><subject>Shallow lake</subject><subject>Trace elements</subject><issn>0169-7722</issn><issn>1873-6009</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkU-P1CAYxonRuLOrH0HD0UtHCi2lJ2Mm6ppsogc9EwbeWmYpjEB3M9_QjyWdjsabJwj8nj_Jg9CrmmxrUvO3h-1BBz-ezJYS2pS3htXiCdrUomMVJ6R_ijaF66uuo_QKXad0IIR0gojn6IoJ1jZNSzbo19fg3Jxt8NjBA7iElTf4GDL4bJXDoIMLP6wu12jTfcJhwDkqDRgcTAVK2HocwamzRw54r3SGuGh1mKbZ23xakDTHYZE9qvK7uKRRORcesVP3cDbxIeYRose70XqF9zCECOc6alg0_1RZTSIcHXibxqXHC_RsUC7By8t5g75__PBtd1vdffn0eff-rlJMiFwprVmtBGmoaDg1eyao4aYjxvRt3zeMc9H2rGQL3g-069p-0E1nQAhj6AA1u0FvVt9jDD9nSFlONmlwTnkIc5K0px2tCSe8oO2K6hhSijDIY7STiidZE7mMKA_yMqJcRpTriEX3-hIx7ycwf1V_VivAuxUoe8GDhSiTtuA1GBtBZ2mC_U_Eb7fxtdk</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Zhang, Ling</creator><creator>Bai, Junhong</creator><creator>Zhai, Yujia</creator><creator>Zhang, Kegang</creator><creator>Wang, Yaqi</creator><creator>Tang, Ruoxuan</creator><creator>Xiao, Rong</creator><creator>Jorquera, Milko A.</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20240301</creationdate><title>Pollution levels and potential ecological risks of trace elements in relation to bacterial community in surface water of shallow lakes in northern China before and after ecological water replenishment</title><author>Zhang, Ling ; Bai, Junhong ; Zhai, Yujia ; Zhang, Kegang ; Wang, Yaqi ; Tang, Ruoxuan ; Xiao, Rong ; Jorquera, Milko A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a388t-acc31a80428462db382d6d70dd959943668593bef869f27759fc47de88dd2fe13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Bacterial community</topic><topic>Ecological risks</topic><topic>Ecological water replenishment</topic><topic>Pollution levels</topic><topic>Shallow lake</topic><topic>Trace elements</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Ling</creatorcontrib><creatorcontrib>Bai, Junhong</creatorcontrib><creatorcontrib>Zhai, Yujia</creatorcontrib><creatorcontrib>Zhang, Kegang</creatorcontrib><creatorcontrib>Wang, Yaqi</creatorcontrib><creatorcontrib>Tang, Ruoxuan</creatorcontrib><creatorcontrib>Xiao, Rong</creatorcontrib><creatorcontrib>Jorquera, Milko A.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of contaminant hydrology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Ling</au><au>Bai, Junhong</au><au>Zhai, Yujia</au><au>Zhang, Kegang</au><au>Wang, Yaqi</au><au>Tang, Ruoxuan</au><au>Xiao, Rong</au><au>Jorquera, Milko A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pollution levels and potential ecological risks of trace elements in relation to bacterial community in surface water of shallow lakes in northern China before and after ecological water replenishment</atitle><jtitle>Journal of contaminant hydrology</jtitle><addtitle>J Contam Hydrol</addtitle><date>2024-03-01</date><risdate>2024</risdate><volume>262</volume><spage>104318</spage><epage>104318</epage><pages>104318-104318</pages><artnum>104318</artnum><issn>0169-7722</issn><eissn>1873-6009</eissn><abstract>Ecological water replenishment is a crucial and effective measure to improve the water quality and ecological function of lakes. However, the effects of ecological water replenishment on the pollution characteristics and ecological risks of trace elements and bacterial communities in lake surface water are still kept unclear. We investigated the pollution levels and potential ecological risks for trace elements, as well as variation of the bacterial community in surface water in the BYD lake before and after ecological water replenishment. Our results revealed that higher levels and pollution indexes (Igeo) of trace metals (e.g., As, Cd, Co, Cu and Ni; p < 0.05) after ecological water replenishment were observed than before ecological water replenishment and their total potential ecological risk (∑RI) were increased. In contrast, the network complexity of these trace elements, including nodes, edges, average diameter, modularity, clustering coefficient and average pathlength showed a decrease after ecological water replenishment than before. The diversity (community richness, community diversity and phylogenetic diversity decreased) and community structure of the bacterial community in the surface water (p < 0.05) were greatly changed after ecological water replenishment than before, with the increase in heavy metal-resistant phylum (e.g., Acidobacteriota). Moreover, the concentration of trace elements and ∑RI were significantly correlated with the alpha diversity of bacterial community, as well as dissolved organic carbon (DOC) and ORP, after ecological water replenishment. The findings indicate that it is very necessary to continuously monitor trace metal pollution levels and heavy metal-resistant phylum and identify their potential pollution sources for water environment control and lake ecosystem health.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>38354450</pmid><doi>10.1016/j.jconhyd.2024.104318</doi><tpages>1</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bacterial community Ecological risks Ecological water replenishment Pollution levels Shallow lake Trace elements |
| title | Pollution levels and potential ecological risks of trace elements in relation to bacterial community in surface water of shallow lakes in northern China before and after ecological water replenishment |
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